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Jet001 [13]
3 years ago
15

At Avery Middle School, 273 students responded to a survey asking whether a Bulldog, a Lion, or a Tiger should be the new school

mascot. 4 times as many students chose Bulldogs as chose Tiger. Twice as many students chose Lion as chose Tiger. How many students chose Lion?
A.) 39 students
B.) 78 students
C.) 156 students
D.) 273 students
Mathematics
2 answers:
harkovskaia [24]3 years ago
8 0

78 students chose lion

KIM [24]3 years ago
3 0

Answer: 78 students

Step-by-step explanation:

Let the number of students who chose tiger be x.

The number of students who chose bulldog is 4 * x.

The number of students who chose lion is 2 * x.

7x = 273

x = 273/7 = 39

Your answer would be:

2 * x = 78.

hope this helps! :))

and can i get brialist

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marshall27 [118]
7 = 10.2
12 = 17.7
Let's take 
d = 17.7 - 10.2/ 12 - 7
d =  7.5/ 5
d = 1.5
The common difference is 1.5

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3 years ago
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Find an equation in standard form of the parabola passing through these points: (0,-6),(-1,-12),(3,0)
Elan Coil [88]
One form of the equation of a parabola is
y = ax² + bx + c

The curve passes through (0,-6), (-1,-12) and (3,0). Therefore
c = - 6                       (1)
a - b + c = -12            (2)
9a + 3b + c = 0         (3)

Substitute (1) into (2) and into (3).
a - b -6 = -12
a - b = -6                  (4)
9a + 3b - 6 = 0
9a + 3b = 6              (5)

Substitute a = b - 6 from (4) into (5).
9(b - 6) + 3b = 6
12b - 54 = 6
12b = 60
b = 5
a = b - 6 = -1

The equation is
y = -x² + 5x - 6 

Let us use completing the square to write the equation in standard form for a parabola.
y = -[x² - 5x] - 6
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y = -(x - 2.5)² + 0.25
This is the standdard form of the equation for the parabola.
The vertex us at (2.5, 0.25).
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Because the leading coefficient is -1 (negative), the curve opens downward.
The graph is shown below.

Answer: y = -(x - 2.5)² + 0.25

3 0
3 years ago
A new car is purchased for \$14,000$14,000 and over time its value depreciates by one half every 4 years. How long, to the neare
swat32

Answer:

11 years

Step-by-step explanation:

14 divide 2=7

7 divide 2=3.5

3.5 divide 2 = 175 subtract 1 extra year to turn to 200. So the answer is 11.

5 0
3 years ago
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Pls help. Abcdefjnshshsjnwishejjsjwhaunrshwjhd<br><br><br><br><br> Jauahshwj
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6 0
2 years ago
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The correct option will be:  C) 0.84

<u><em>Explanation</em></u>

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r= \frac{n(\Sigma xy)-(\Sigma x)(\Sigma y)}{\sqrt{[n\Sigma x^2-(\Sigma x)^2][n\Sigma y^2-(\Sigma y)^2]}}

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<em>(Please refer to the attached image for the table )</em>

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